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Finding the Fourth Proportional to 149,759.70, 224,731.89 and 69,783.54

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Solution

The fourth proportional to 149,759.70, 224,731.89 and 69,783.54 is: 104,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,759.70 : 224,731.89 = 69,783.54 : x
  2. Step 2: Convert to fraction form
    149,759.70/224,731.89 = 69,783.54/x
  3. Step 3: Cross multiply
    149,759.70x = 224,731.89 × 69,783.54
  4. Step 4: Simplify right side
    149,759.70x = 15,682,586,835.09
  5. Step 5: Solve for x
    x = 15,682,586,835.09/149,759.70
  6. Step 6: Final answer
    x = 104,718.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.